{"product_id":"control-unit-for-adaptive-headlight-with-ahl-bmw-3-series-x5-x6-z4-06-14","title":"Control Unit for Adaptive Headlight E Series – BMW 3 Series \u0026 X5, X6, Z4 (06-14)","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"17\"\u003eAdaptive Headlight Drive Control Module\u003c\/b\u003e is a specification electronic control unit—commonly known within the BMW technical network as the \u003cb data-path-to-node=\"1\" data-index-in-node=\"194\"\u003eSMC (Stepper Motor Controller)\u003c\/b\u003e or \u003cb data-path-to-node=\"1\" data-index-in-node=\"228\"\u003eAHL (Adaptive Headlight) Module\u003c\/b\u003e. This dedicated microprocessor is the core brain that drives the dynamic cornering lights. It constantly interprets steering wheel angle, vehicle speed, and yaw sensor data to operate the internal stepper motors, swiveling the bi-xenon projector lenses horizontally into curves and leveling them vertically to match the road profile.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThe module features a rugged structural design featuring a high-durability composite polymer shell bonded to a premium \u003cb data-path-to-node=\"2\" data-index-in-node=\"119\"\u003eAluminium alloy passive heat sink backplate\u003c\/b\u003e. This aluminum plate rapidly conducts thermal energy away from the internal surface-mounted motor driver chips, protecting the board from overheating during continuous adaptive adjustments. A thick, vehicle-grade rubber gasket outlines the central pin connector port, forming a tight, pressurized seal when mounted to the headlight housing to lock out moisture, fine dust, and engine bay humidity.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eVehicle Compatibility:\u003c\/b\u003e This adaptive module is a direct-fit replacement engineered to seat perfectly into the designated bays on the underside or back of factory-equipped Xenon Adaptive headlights (Option S524A). It covers several E-Chassis BMW models manufactured between \u003cb data-path-to-node=\"4\" data-index-in-node=\"273\"\u003e2006 and 2014\u003c\/b\u003e (extending up to 2016 for certain configurations):\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eBMW 3 Series:\u003c\/b\u003e E90 Sedan \u0026amp; E91 Wagon LCI Facelift (2009–2012), E92 Coupe \u0026amp; E93 Convertible Pre-LCI \u0026amp; LCI (2007–2013), and E90 M3 \/ E92 M3 \/ E93 M3 (2008–2013)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eBMW X5:\u003c\/b\u003e E70 \u0026amp; E70 LCI Facelift (2007–2013)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eBMW X6:\u003c\/b\u003e E71 \u0026amp; E72 ActiveHybrid (2008–2014)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eBMW Z4 Roadster:\u003c\/b\u003e E89 (2009–2016)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eDynamic Cornering Support:\u003c\/b\u003e Provides real-time power regulation and position tracking to the headlight stepper motors for accurate horizontal swiveling and vertical auto-leveling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eAluminum Cooling Plate:\u003c\/b\u003e Efficiently disperses operating heat from high-current motor drivers to prevent board degradation, component desoldering, and unexpected electrical shorts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eWeatherproof Silicone Boundary:\u003c\/b\u003e High-grade rubber gasket isolates the internal terminal pins from road splash, road grime, and humid air pockets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eLIN-bus Network Integration:\u003c\/b\u003e Connects cleanly to the vehicle's central lighting modules, maintaining instantaneous communication speeds and full OBD-II diagnostic reporting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eAlternative Revisions:\u003c\/b\u003e 63117295702, 63117189311, 7182396\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003ePlacement:\u003c\/b\u003e Fits Front Left (LH) or Front Right (RH) Headlight Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,3,0\"\u003e\u003cb data-path-to-node=\"15,3,0\" data-index-in-node=\"0\"\u003eComponent Type:\u003c\/b\u003e Adaptive AHL \/ SMC Stepper Motor Driver Control Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,4,0\"\u003e\u003cb data-path-to-node=\"15,4,0\" data-index-in-node=\"0\"\u003eHeadlight Configuration:\u003c\/b\u003e Bi-Xenon Assemblies with Adaptive Curve Option (S524A)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,5,0\"\u003e\u003cb data-path-to-node=\"15,5,0\" data-index-in-node=\"0\"\u003eOperating Voltage:\u003c\/b\u003e 12V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,6,0\"\u003e\u003cb data-path-to-node=\"15,6,0\" data-index-in-node=\"0\"\u003eMaterial:\u003c\/b\u003e Cast Aluminum Heat Sink \u0026amp; High-Impact Engineered Composites\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,7,0\"\u003e\u003cb data-path-to-node=\"15,7,0\" data-index-in-node=\"0\"\u003eCondition:\u003c\/b\u003e Brand New Replacement Component\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":50168445108463,"sku":"63117182396","price":950.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7183\/5631\/files\/BMW-E90-E92-E70-E71-E89-Adaptive-Xenon-AHL-SMC-Headlight-Driver-Module-63117182396_2.png?v=1784036718","url":"https:\/\/myty.co.za\/products\/control-unit-for-adaptive-headlight-with-ahl-bmw-3-series-x5-x6-z4-06-14","provider":"MYTY Auto Parts","version":"1.0","type":"link"}